Camera filter frame



FIG. 1 is a perspective view of a camera filter frame showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof; the rear, right side, and left side elevation views being a mirror image thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines depict portions of a camera filter in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a camera filter frame, as shown and described. 